Steel wire braided reinforced photoelectric composite watertight cable

By using a multi-layer structure reinforced by wire braiding in watertight cables, the extrusion damage and short circuit problems during underwater work are solved, and higher compressive resistance, waterproofness and corrosion resistance are achieved, extending the service life of the cable.

CN222749253UActive Publication Date: 2025-04-11上海上力特种电缆有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420548663.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-20
Publication Date
2025-04-11
Estimated Expiration
2034-03-20

AI Technical Summary

Technical Problem

Existing watertight cables are susceptible to water compression when working underwater, resulting in damage to the outer wall and short circuit inside.

Method used

The photoelectric composite watertight cable structure is reinforced by steel wire braiding, including outer sheath, inner sheath, braided layer, waterproof layer, compressive layer, fireproof layer, anti-interference layer and corrosion-resistant layer. Through the combination of these layers, the cable's waterproof, compression, fireproof, anti-interference and corrosion-resistant properties are improved.

Benefits of technology

It significantly improves the compression resistance and waterproof performance of the cable, prevents water from entering the cable, avoids short circuits and fires, and extends the service life of the cable.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222749253U_ABST
    Figure CN222749253U_ABST
Patent Text Reader

Abstract

The present application discloses a steel wire braided reinforced optoelectronic composite watertight cable, which relates to the technical field of watertight cables, and comprises an outer sheath, wherein a power line is arranged inside the outer sheath, an optical unit is arranged on the outer wall of the power line, an inner sheath is arranged between the optical unit and the outer wall of the power line, a braided layer is arranged on the top of the inner sheath, the bottom of the braided layer is fixedly connected to the top of the inner sheath, a waterproof layer is arranged on the top of the braided layer, the bottom of the waterproof layer is fixedly connected to the top of the braided layer, a pressure-resistant layer is arranged on the top of the waterproof layer, the bottom of the pressure-resistant layer is fixedly connected to the top of the waterproof layer, and the problem of the cable being squeezed by the water pressure at the bottom of the water, so that after a long time, the wires and other units inside the cable are squeezed and damaged, and even the outer wall of the cable is squeezed and damaged, resulting in external water flowing into the cable and causing a short circuit in the cable.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of watertight cables, and in particular to a steel wire braided reinforced optoelectronic composite watertight cable. Background Art

[0002] Watertight cables are mainly used for power and signal transmission. Due to the particularity of their working environment, the requirements for watertight cables are very high. They need to be resistant to pressure, seawater corrosion, high voltage and have high insulation electrical properties.

[0003] Most of the existing watertight cables are used underwater, and the cables will be squeezed by the water pressure at the bottom of the water. After a long time, the wires inside the cable will be squeezed and damaged, and even the outer wall of the cable will be squeezed and damaged, causing external water to flow into the cable and cause a short circuit in the cable. Utility Model Content

[0004] The purpose of the utility model is to solve or at least alleviate the problems existing in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The steel wire braided reinforced optoelectronic composite watertight cable comprises an outer sheath, a power cord and an optical unit are arranged inside the outer sheath, an inner sheath is arranged on the outer wall of the optical unit and the power cord, a braided layer is arranged on the outer side of the inner sheath, the inner side of the braided layer is fixedly connected to the outer side of the inner sheath, a waterproof layer is arranged on the outer side of the braided layer, the inner side of the waterproof layer is fixedly connected to the outer side of the braided layer, a pressure-resistant layer is arranged on the outer side of the waterproof layer, and the inner side of the pressure-resistant layer is fixedly connected to the outer side of the waterproof layer.

[0007] Optionally, a fireproof layer is provided on the outside of the pressure-resistant layer, and the inner side of the fireproof layer is fixedly connected to the outer side of the pressure-resistant layer; an anti-interference layer is provided on the outside of the fireproof layer, and the inner side of the anti-interference layer is fixedly connected to the outer side of the fireproof layer; a corrosion-resistant layer is provided on the outside of the anti-interference layer, and the inner side of the corrosion-resistant layer is fixedly connected to the outer side of the anti-interference layer.

[0008] Optionally, the outer sheath and the inner sheath are made of polyurethane material, the waterproof layer is made of hard rubber, and the pressure-resistant layer is made of carbon fiber material.

[0009] By adopting the above technical solution, the waterproof effect of the cable is improved, and the compression resistance of the cable is improved.

[0010] Optionally, the optical unit includes a spiral stainless steel tube and an optical fiber running inside the tube, and the braided layer is made of stainless steel wires.

[0011] By adopting the above technical solution, the overall strength of the optical unit is improved, and the braided layer is composed of stainless steel, thereby improving the overall strength of the cable.

[0012] Optionally, the material of the fireproof layer is composed of ceramic flame retardant powder material, and the material of the anti-interference layer is composed of tinned copper wire material.

[0013] By adopting the above technical solutions, the fireproof layer makes the cable fireproof and prevents internal short circuit from causing fire from the inside to the outside of the cable. At the same time, the anti-interference layer can block external electromagnetic signals to prevent interference.

[0014] Optionally, the corrosion-resistant layer material is made of rubber.

[0015] By adopting the above technical solution, it is ensured that the cable can resist the corrosion of seawater at the bottom of the water, thereby increasing the service life of the cable.

[0016] In summary, the beneficial effects of this application are as follows:

[0017] 1. In the present application, the power cord and the optical unit are wrapped by an outer sheath and an inner sheath, so that the internal core of the cable can be fully wrapped and protected. The stainless steel braided layer wrapped outside the inner sheath can further improve the strength of the entire cable, improve the compression resistance of the cable, and further protect the internal core of the cable. The waterproof layer can waterproof the cable, thereby preventing the outer sheath from being damaged and external water from flowing into the cable to cause short-circuit damage. The anti-pressure layer can support the entire cable to prevent the negative pressure underwater from damaging the internal core of the cable.

[0018] 2. The fireproof layer of the present application can block flames and prevent the cable from catching fire internally due to short circuit or other reasons, thereby causing the fire to spread. The anti-interference layer can be used to prevent electromagnetic interference on the entire cable, thereby improving the use effect of the cable. The corrosion-resistant layer can improve the overall corrosion resistance of the cable underwater, thereby further increasing the service life of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall cross-sectional structure of this application;

[0020] Figure 2 It is a schematic diagram of the hierarchical structure of this application.

[0021] Explanation of the reference numerals: 1. outer sheath; 2. power cord; 3. optical unit; 4. inner sheath; 5. braided layer; 6. waterproof layer; 7. pressure-resistant layer; 8. fireproof layer; 9. anti-interference layer; 10. corrosion-resistant layer. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-2 This application is described in further detail. Example

[0023] like Figure 1-2 As shown, the utility model provides a technical solution: a steel wire braided reinforced optoelectronic composite watertight cable, comprising an outer sheath 1, a power line 2 and an optical unit 3 are arranged inside the outer sheath 1, an inner sheath 4 is arranged on the outer wall of the optical unit 3 and the power line 2, a braided layer 5 is arranged on the outer side of the inner sheath 4, the inner side of the braided layer 5 is fixedly connected to the outer side of the inner sheath 4, a waterproof layer 6 is arranged on the outer side of the braided layer 5, the inner side of the waterproof layer 6 is fixedly connected to the outer side of the braided layer 5, a pressure-resistant layer 7 is arranged on the outer side of the waterproof layer 6, and the inner side of the pressure-resistant layer 7 is fixedly connected to the outer side of the waterproof layer 6.

[0024] The outer sheath 1 and the inner sheath 4 are made of polyurethane material, the waterproof layer 6 is made of hard rubber, and the pressure-resistant layer 7 is made of carbon fiber material, thereby improving the waterproof effect of the cable and improving the pressure resistance of the cable.

[0025] The optical unit 3 includes a spiral stainless steel tube and an optical fiber passing therein. The braided layer 5 is made of stainless steel wires to improve the overall strength of the optical unit 3. The braided layer 5 is composed of stainless steel to improve the overall strength of the cable.

[0026] A fireproof layer 8 is arranged on the top of the pressure-resistant layer 7, and the bottom of the fireproof layer 8 is fixedly connected to the top of the pressure-resistant layer 7. An anti-interference layer 9 is arranged on the top of the fireproof layer 8, and the bottom of the anti-interference layer 9 is fixedly connected to the top of the fireproof layer 8. A corrosion-resistant layer 10 is arranged on the top of the anti-interference layer 9, and the bottom of the corrosion-resistant layer 10 is fixedly connected to the top of the anti-interference layer 9.

[0027] Furthermore, the material of the fireproof layer 8 is composed of ceramic flame retardant powder material, and the material of the anti-interference layer 9 is composed of tinned copper wire material, so that the cable can be fireproof and prevent internal short circuits from causing fire from the inside to the outside of the cable. At the same time, it can also block external electromagnetic signals to prevent interference.

[0028] Furthermore, the material of the corrosion-resistant layer 10 is made of rubber material, thereby ensuring that the cable can withstand the corrosion of seawater at the bottom of the water, thereby increasing the service life of the cable.

[0029] The implementation principle of the present application is as follows: when working, the power cord 2 and the optical unit 3 are wrapped by the outer sheath 1 and the inner sheath 4, so that the internal core of the cable can be fully wrapped and protected. The stainless steel braided layer 5 wrapped outside the inner sheath 4 can further improve the strength of the overall cable, improve the compression resistance of the cable, and further protect the internal core of the cable. The waterproof layer 6 can waterproof the cable, thereby preventing the outer sheath 1 from being damaged and external water from flowing into the cable to cause short-circuit damage. The pressure-resistant layer 7 can support the entire cable to prevent the negative pressure underwater from damaging the internal core of the cable.

[0030] The fireproof layer 8 can block flames and prevent the cable from catching fire internally due to short circuit or other reasons, thereby causing the fire to spread. The anti-interference layer 9 can provide electromagnetic interference protection for the entire cable, thereby improving the use effect of the cable. The corrosion-resistant layer 10 can improve the corrosion resistance of the entire cable underwater, thereby further increasing the service life of the cable.

[0031] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A steel wire braided reinforced optoelectronic composite watertight cable, comprising an outer sheath (1), characterized in that: A power cord (2) and a light unit (3) are arranged inside the outer sheath (1); an inner sheath (4) is arranged on the outer wall of the light unit (3) and the power cord (2); a braided layer (5) is arranged on the outer side of the inner sheath (4); the inner side of the braided layer (5) is fixedly connected to the outer side of the inner sheath (4); a waterproof layer (6) is arranged on the outer side of the braided layer (5); the inner side of the waterproof layer (6) is fixedly connected to the outer side of the braided layer (5); a pressure-resistant layer (7) is arranged on the outer side of the waterproof layer (6); the inner side of the pressure-resistant layer (7) is fixedly connected to the outer side of the waterproof layer (6).

2. The steel wire braided reinforced optoelectronic composite watertight cable according to claim 1, characterized in that: The outer side of the pressure-resistant layer (7) is provided with a fireproof layer (8), the inner side of the fireproof layer (8) is fixedly connected to the outer side of the pressure-resistant layer (7), the outer side of the fireproof layer (8) is provided with an anti-interference layer (9), the inner side of the anti-interference layer (9) is fixedly connected to the outer side of the fireproof layer (8), and the outer side of the anti-interference layer (9) is provided with a corrosion-resistant layer (10), the inner side of the corrosion-resistant layer (10) is fixedly connected to the outer side of the anti-interference layer (9).

3. The steel wire braided reinforced optoelectronic composite watertight cable according to claim 1, characterized in that: The outer sheath (1) and the inner sheath (4) are made of polyurethane material, the waterproof layer (6) is made of hard rubber, and the pressure-resistant layer (7) is made of carbon fiber material.

4. The steel wire braided reinforced optoelectronic composite watertight cable according to claim 1, characterized in that: The optical unit (3) comprises a spiral stainless steel tube and an optical fiber inserted inside the tube, and the braided layer (5) is made of braided stainless steel wires.

5. The steel wire braided reinforced optoelectronic composite watertight cable according to claim 2, characterized in that: The material of the fireproof layer (8) is composed of ceramic flame retardant powder material, and the material of the anti-interference layer (9) is composed of tinned copper wire material.

6. The steel wire braided reinforced optoelectronic composite watertight cable according to claim 2, characterized in that: The material of the corrosion-resistant layer (10) is made of rubber material.